<?php header('Content-type: text/html;charset=UTF-8') ?>
<html>
  <head></head>
  
  <body>
    <a href="?page=1">Page 1</a><br />
    <a href="?page=1">Page 2</a><br />
    <a href="?page=1">Page 3</a><br />
    
    <?php include 'widget.php' ?>
  </body>
</html>